| Actor | Manuel Gil (as Dr. Harbe), Carlo Alighiero (as Police Commissioner), Ivan Rassimov (as Jean), Alberto de Mendoza (as Neil Wardh), Bruno Corazzari (as Killer), Miguel del Castillo (as Spanish Doctor), Luis de Tejada (as The Inspector), Brizio Montinaro (as Guest At The Party), Giuseppe Marrocco (as Neighbor ( Uncredited )), Francesco Narducci (as Police Photographer ( Uncredited )), Oscar Sciamanna (as Guest At The Party ( Uncredited )) |
| Actress | Conchita Airoldi (as Carol Brandt), Marella Corbi (as Victim Who Escape From The killer), Pouchi (as Victim In The Shower), Mira Vidotto (as Wardh's Maid) |
| Assistant | Vittorio Caronia (as Assistant Director), Francisco Rodríguez (as Assistant Director) |
| Creator | Riccardo Domenici (as Costume Design), Mario Di Salvio (as Make-up) |
| Director | Sergio Martino |
| Director Of Photography | Emilio Foriscot, Florian Trenker |
| Film Editor | Eugenio Alabiso |
| Music By | Nora Orlandi |
| Producer | Antonio Crescenzi, Luciano Martino |
| Production Company | Devon Film, Copercines, Cooperativa Cinematográfica |
| Production Designer | José Luis Galicia, Jaime Pérez Cubero |
| Screenplay | Eduardo Manzanos Brochero, Vittorio Caronia, Ernesto Gastaldi |
| Sound | Pietro Ortolani |
| Starring | George Hilton (as George Corro), Edwige Fenech (as Julie Wardh) |
| Subject | Eduardo Manzanos Brochero |
| Links | https://www.davinotti.com |
